Process and installation for the separation of air by permeation

Details Process and installation for the separation of air by permeation Process and installation for the separation of air by permeation

1997-02-28

1998-11-03

Kilner, Christopher

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

95 54, B01D 5322

Patent

active

058292721

ABSTRACT:
A process and installation for the separation of air by permeation, for the production of high purity nitrogen. The installation comprises in series an air compressor (2), a refrigerator (3) cooled by air or water, a unit (4) for filtering out oil and water, an air reheater (5) and a permeator (6). The air reheater (5) is provided with a device (18A) for adjusting the temperature as a function of the temperature of the final refrigeration fluid that cools the compressed air.

REFERENCES:
patent: 4787919 (1988-11-01), Campbell et al.
patent: 5388413 (1995-02-01), Major et al.
patent: 5425801 (1995-06-01), Prasad
patent: 5429662 (1995-07-01), Fillet
patent: 5582030 (1996-12-01), Dannohl

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